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All results from a given calculation for COH (Hydroxymethylidyne)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 2A'
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-113.208918
Energy at 298.15K-113.208779
HF Energy-113.208918
Nuclear repulsion energy26.104205
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3919 3559 92.55 103.51 0.30 0.46
2 A' 1499 1361 174.47 3.10 0.33 0.49
3 A' 1288 1169 108.12 4.51 0.63 0.77

Unscaled Zero Point Vibrational Energy (zpe) 3352.9 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 3044.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/cc-pVDZ
ABC
23.88639 1.41099 1.33229

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.059 0.787 0.000
O2 0.059 -0.484 0.000
H3 -0.825 -0.852 0.000

Atom - Atom Distances (Å)
  C1 O2 H3
C11.27141.8623
O21.27140.9577
H31.86230.9577

picture of Hydroxymethylidyne state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.041      
2 O -0.148      
3 H 0.188      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.706 -1.953 0.000 2.593
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -10.748 1.622 0.000
y 1.622 -13.366 0.000
z 0.000 0.000 -10.926
Traceless
 xyz
x 1.398 1.622 0.000
y 1.622 -2.529 0.000
z 0.000 0.000 1.131
Polar
3z2-r22.261
x2-y22.618
xy1.622
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.720 0.254 0.000
y 0.254 2.152 0.000
z 0.000 0.000 1.416


<r2> (average value of r2) Å2
<r2> 14.344
(<r2>)1/2 3.787